18258090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 46780416

約数和(自身を除く): 28522326

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 47, 69, 94, 115, 138, 141, 230, 235, 282, 345, 470, 563, 690, 705, 1081, 1126, 1410, 1689, 2162, 2815, 3243, 3378, 5405, 5630, 6486, 8445, 10810, 12949, 16215, 16890, 25898, 26461, 32430, 38847, 52922, 64745, 77694, 79383, 129490, 132305, 158766, 194235, 264610, 388470, 396915, 608603, 793830, 1217206, 1825809, 3043015, 3651618, 6086030, 9129045, 18258090]

約数ペア:

[(1, 18258090), (2, 9129045), (3, 6086030), (5, 3651618), (6, 3043015), (10, 1825809), (15, 1217206), (23, 793830), (30, 608603), (46, 396915), (47, 388470), (69, 264610), (94, 194235), (115, 158766), (138, 132305), (141, 129490), (230, 79383), (235, 77694), (282, 64745), (345, 52922), (470, 38847), (563, 32430), (690, 26461), (705, 25898), (1081, 16890), (1126, 16215), (1410, 12949), (1689, 10810), (2162, 8445), (2815, 6486), (3243, 5630), (3378, 5405)]